石油和天然气行业必须进化,否则就会被淘汰。
The American farmer is the only man in our economy who has to buy everything he buys at retail, sell everything he sells at wholesale, and pay the freight both ways.
科学的进步依赖于挑战未知的勇气和从失败中学习的智慧。
对任何政府来说,最危险的人是能独立思考的人。
The human being is not a thing among things; things determine each other, but the human being is ultimately self-determining.